Question

What per cent of 90 is 120 ? (a)$75\%$ (b)$33\frac{1}{3}\%$ (c)$133\frac{1}{3}\%$ (d) none of these

Answer 1

Let $x\%$ of 90 = 120 $\Rightarrow$ $\frac{x}{100}$$\times$120=90 $\therefore$ $x\%$ = $\frac{120\times 100}{90}$=$133\frac{1}{3}\%$